RHEL6 statelite/less initrd support attempt
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6048 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
3
xCAT-server/share/xcat/netboot/rh/dracut/check
Executable file
3
xCAT-server/share/xcat/netboot/rh/dracut/check
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#!/bin/sh
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[ "$1" = "-d" ] && echo network
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exit 0
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5
xCAT-server/share/xcat/netboot/rh/dracut/install
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5
xCAT-server/share/xcat/netboot/rh/dracut/install
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#!/bin/sh
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echo $drivers
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dracut_install wget cpio gzip
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inst "$moddir/xcatroot" "/sbin/xcatroot"
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inst_hook cmdline 10 "$moddir/xcat-cmdline.sh"
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5
xCAT-server/share/xcat/netboot/rh/dracut/xcat-cmdline.sh
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5
xCAT-server/share/xcat/netboot/rh/dracut/xcat-cmdline.sh
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root=1
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rootok=1
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IFACES=eth0 #THIS WILL SOURCE FROM /procm/cmdline if genimage -i argument omitted, TODO
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netroot=xcat
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echo '[ -e $NEWROOT/proc ]' > /initqueue-finished/xcatroot.sh
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245
xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
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245
xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
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#!/bin/sh
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NEWROOT=$3
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if [ ! -z "$imgurl" ]; then
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if [ xhttp = x${imgurl%:*} ]; then
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NFS=0
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FILENAME=${imgurl##*/}
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while [ ! -r "$FILENAME" ]; do
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echo Getting $imgurl...
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if ! wget $imgurl; then
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rm -f $FILENAME
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sleep 27
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fi
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done
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elif [ xnfs = x${imgurl%:*} ]; then
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NFS=1
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SERVER=${imgurl#nfs:}
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SERVER=${SERVER#/}
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SERVER=${SERVER#/}
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ROOTDIR=$SERVER
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SERVER=${SERVER%%/*}
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SERVER=${SERVER%:}
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ROOTDIR=/${ROOTDIR#*/}
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fi
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elif [ ! -z "$nfsroot" ]; then #fyi, done this way to tolerate nfs://
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NFSROOT=1
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SERVER=${nfsroot}
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ROOTDIR=$SERVER
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SERVER=${SERVER%%/*}
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SERVER=${SERVER%:}
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ROOTDIR=/${ROOTDIR#*/}
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elif [ ! -z $statemnt ]; then #btw, uri style might have left future options other than nfs open, will use // to detect uri in the future I guess
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NFSROOT=1
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SNAPSHOTSERVER=${statemnt%:*}
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SNAPSHOTROOT=${statemnt#*/}
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# may be that there is not server and just a directory.
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if [ -z $SNAPSHOTROOT ]
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then
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SNAPSHOTROOT=$SNAPSHOTSERVER
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SNAPSHOTSERVER=
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fi
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fi
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#echo 0 > /proc/sys/vm/zone_reclaim_mode #Avoid kernel bug
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if [ "$NFSROOT" = "1" ]; then
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echo Setting up Statelite
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mkdir -p $NEWROOT
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MAXTRIES=7
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ITER=0
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#ME=`hostname`
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while ! mount.nfs ${SERVER}:${ROOTDIR}/rootimg $NEWROOT -r -n -o nolock,rsize=32768,tcp,nfsvers=3,timeo=14
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do
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ITER=$(expr $ITER + 1)
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if [ "$ITER" == "$MAXTRIES" ]
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then
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echo "Failed mounting nfs"
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echo "Possible problems:
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1. This initrd wasn't created for statelite node? rerun genimage with the -m statelite flag, then rerun 'nodeset $ME statelite'
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2. Is DNS set up? Maybe that's why I can't mount ${SERVER}.
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3. The nfs modules aren't set right in this initfs?"
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/bin/dash
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exit
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fi
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echo "Could not mount $SERVER:$ROOTDIR on $NEWROOT $RESET"
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RS=30 #`expr $RANDOM % 30`
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echo -e "Trying again in $RS seconds"
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sleep $RS
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done
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# now we need to mount the rest of the system. This is the read/write portions
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#echo "Mounting Snapshot directories"
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if [ ! -e "$NEWROOT/$RWDIR" ]
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then
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echo ""
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echo "This NFS root directory doesn't have a /$RWDIR directory for me to mount a rw filesystem. You'd better create it... ${NORMAL}"
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echo "."
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/bin/dash
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fi
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while [ ! -e "$NEWROOT/etc/init.d/statelite" ]
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do
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echo ""
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echo "$NEWROOT/etc/init.d/statelite doesn't exist. Perhaps you didn't create this image with the -m statelite mode"
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echo ""
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/bin/dash
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done
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grep '\(shell\)' /proc/cmdline >/dev/null && /bin/dash
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mount -t tmpfs rw -o mode= $NEWROOT/$RWDIR
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mkdir -p $NEWROOT/$RWDIR/tmpfs
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# mount the SNAPSHOT directory here for persistent use.
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if [ ! -z $SNAPSHOTSERVER ]
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then
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mkdir -p $NEWROOT/$RWDIR/persistent
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MAXTRIES=5
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ITER=0
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while ! mount $SNAPSHOTSERVER:$SNAPSHOTROOT $NEWROOT/$RWDIR/persistent -o nolock,rsize=32768,tcp,nfsvers=3,timeo=14
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do
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ITER=$(expr $ITER + 1)
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if [ "$ITER" == "$MAXTRIES" ]
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then
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echo "You're dead. rpower $ME boot to play again."
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echo "Possible problems:
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1. $SNAPSHOTSERVER is not exporting $SNAPSHOTROOT ?
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2. Is DNS set up? Maybe that's why I can't mount $SNAPSHOTSERVER."
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shell
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exit
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fi
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echo "Can't mount $SNAPSHOTSERVER:$SNAPSHOTROOT. ${NORMAL}"
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RS=45 #`expr $RANDOM % 20`
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echo "Trying again in $RS seconds"
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sleep $RS
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done
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fi
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grep '\(shell\)' /proc/cmdline >/dev/null && /bin/dash
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# have to preserve the initial DHCP request. So we link it.
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if [ ! -d $NEWROOT/$RWDIR/tmpfs/var/lib/dhclient ]
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then
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mkdir -p $NEWROOT/$RWDIR/tmpfs/var/lib/dhclient
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fi
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if [ ! -d $NEWROOT/$RWDIR/tmpfs/var/lib/dhcp ]
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then
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mkdir -p $NEWROOT/$RWDIR/tmpfs/var/lib/dhcp
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fi
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[ -e /etc/ntp.conf ] && mkdir -p $NEWROOT/$RWDIR/tmpfs/etc && cp /etc/ntp.conf $NEWROOT/$RWDIR/tmpfs/etc/
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[ -e /etc/ntp/step-kickers ] && mkdir -p $NEWROOT/$RWDIR/tmpfs/etc/ntp && cp /etc/ntp/step-kickers $NEWROOT/$RWDIR/tmpfs/etc/ntp
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[ -e /etc/resolv.conf ] && mkdir -p $NEWROOT/$RWDIR/tmpfs/etc && cp /etc/resolv.conf $NEWROOT/$RWDIR/tmpfs/etc/
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# now that everything is mounted, lets do this
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# hmmm, apparently I'm checking this twice... so I'd better
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# be really sure the file is there.
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while [ -z $NEWROOT/etc/init.d/statelite ]
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do
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echo "$NEWROOT/etc/init.d/statelite does not exist in image!"
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/bin/dash
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done
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# do all the mounts:
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$NEWROOT/etc/init.d/statelite
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# give the debug shell just before we go if specified!
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grep '(shell)' /proc/cmdline > /dev/null && dash
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echo 0x100 > /proc/sys/kernel/real-root-dev
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keep_old_ip=yes
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export keep_old_ip
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fastboot=yes
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export fastboot
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READONLY=yes
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export READONLY
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grep '\(shell\)' /proc/cmdline >/dev/null && /bin/dash
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mount -n --bind /dev $NEWROOT/dev
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umount /sys
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umount /proc
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fi
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# END NFSROOT/Statelite code
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# RAM root Hybrid with NFS root
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if [ "$NFS" = "1" ]; then
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echo Setting up nfs with ram overlay.
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mknod /dev/loop0 b 7 0
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mkdir -p /ro
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mkdir -p /rw
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#NOTE: should prob have max count
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while [ ! -d /ro/bin ]; do
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echo mounting $SERVER:$ROOTDIR on /ro
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mount.nfs $SERVER:$ROOTDIR /ro -r -n -o nolock,rsize=32768,tcp,nfsvers=3,timeo=14
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ST=`expr $RANDOM % 5`
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sleep $ST
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done
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mount -t tmpfs rw /rw
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mkdir -p /rw/etc
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mkdir -p /rw/var/lib/dhclient
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cp /etc/resolv.conf /rw/etc/
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mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
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mkdir -p $NEWROOT/ro
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mkdir -p $NEWROOT/rw
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mount --move /ro $NEWROOT/ro
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mount --move /rw $NEWROOT/rw
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cp /etc/resolv.conf $NEWROOT/etc/
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echo xcatfs / aufs rw,_netdev 0 0 >> $NEWROOT/etc/fstab
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elif [ -r /rootimg.sfs ]; then
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echo Setting up squashfs with ram overlay.
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mknod /dev/loop0 b 7 0
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mkdir -p /ro
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mkdir -p /rw
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mount -t squashfs /rootimg.sfs /ro
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mount -t tmpfs rw /rw
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mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
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mkdir -p $NEWROOT/ro
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mkdir -p $NEWROOT/rw
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mount --move /ro $NEWROOT/ro
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mount --move /rw $NEWROOT/rw
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elif [ -r /rootimg.gz ]; then
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echo Setting up RAM-root tmpfs.
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mount -t tmpfs rootfs $NEWROOT
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cd $NEWROOT
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echo -n "Extracting root filesystem:"
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if [ -x /bin/cpio ]; then
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gzip -cd /rootimg.gz |/bin/cpio -idum
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else
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gzip -cd /rootimg.gz |cpio -idum
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fi
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echo Done
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else
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echo -n Failed to download image, panicing in 5...
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for i in 4 3 2 1 0; do
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/bin/sleep 1
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echo -n $i...
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done
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echo
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echo "You're dead. rpower nodename reset to play again.
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* Did you packimage with -m cpio, -m squashfs, or -m nfs?
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* If using -m squashfs did you include aufs.ko with geninitrd?
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e.g.: -n tg3,squashfs,aufs,loop
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* If using -m nfs did you export NFS and sync rootimg? And
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did you include the aufs and nfs modules in the proper order:
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e.g.: -n tg3,aufs,loop,sunrpc,lockd,nfs_acl,nfs
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"
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/bin/dash
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exit
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fi
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cd /
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if [ -d "$NEWROOT/etc/sysconfig" && ! -e "$NEWROOT/etc/sysconfig/selinux" ]; then
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echo "SELINUX=disabled" >> "$NEWROOT/etc/sysconfig/selinux"
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fi
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# inject new exit_if_exists
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echo 'settle_exit_if_exists="--exit-if-exists=/dev/root"; rm "$job"' > /initqueue/xcat.sh
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# force udevsettle to break
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> /initqueue/work
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@@ -396,6 +396,9 @@ while (scalar @checkdeps) {
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}
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close($moddeps);
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unlink "/tmp/genimage.$$.yum.conf";
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if (-d "$rootimg_dir/usr/share/dracut") {
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$dracutmode=1;
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}
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#-- run postinstall script
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if (!$imagename) {
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@@ -442,7 +445,11 @@ if($mode eq "statelite"){
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mkinitrd();
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if ($dracutmode) {
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mkinitrd_dracut();
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} else {
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mkinitrd();
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}
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sub getlibs {
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my $file = shift;
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@@ -466,6 +473,15 @@ sub getlibs {
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}
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}
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sub mknitrd_dracut {
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mkpath("$rootimg_dir/usr/share/dracut/modules.d/97xcat");
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foreach (<$fullpath/dracut/*>) {
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copy($_,"$rootimg_dir/usr/share/dracut/modules.d/97xcat");
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}
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system("chroot '$rootimg_dir' dracut -d '".join(' ',@ndrivers)."' -m 'xcat base' /tmp/initrd.$$.gz")
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move("$rootimg_dir/tmp/initrd.$$.gz","$destdir/initrd.gz");
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}
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sub mkinitrd {
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mkpath("/tmp/xcatinitrd.$$/bin");
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if($basekernelver eq $kernelver) {
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